Carbohydrate Polymers 181 (2018) 1112–1118 Contents lists available at ScienceDirect Carbohydrate Polymers journal homepage: www.elsevier.com/locate/carbpol Research Paper Environment-friendly urea-oxidized starch adhesive with zero formaldehyde-emission a, b a a a Xiang-fei Zhao , Lan-qin Peng , Hong-ling Wang , Yan-bin Wang , Hong Zhang Key Laboratory for Utility of Environment-friendly Composite Materials and Biomass in Universities of Gansu Province, College of Chemical Engineering, Northwest Minzu University, Lanzhou 730030, PR China Key Laboratory of Western Mineral Resources of Gansu Province, College of Geological Science and Mineral Resources, Lanzhou University, Lanzhou 730000, PR China ARTICLE I NFO ABSTRACT Keywords: This study reports on an environment-friendly renewable and zero formaldehyde-emission urea-oxidized starch Adhesive (U-OSt) adhesive based on native corn starch. The adhesive was prepared by polycondensation reaction of Urea-oxidized starch oxidized starch and urea. The morphology, molecular structure, crystalline structure, shear strength and visc- Zero formaldehyde-emission osity of the adhesive, the native and oxidized starch were instrumentally investigated. The inﬂuence of pro- Nano-TiO cessing factors was studied, such as the oxidizer content, the urea content and the addition of titanium dioxide Oxidized starch nanoparticle (nano-TiO ). The results show the adhesive has an excellent comprehensive performance at urea content of 50% (w/w, dry
Carbohydrate Polymers – Elsevier
Published: Feb 1, 2018
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